chris pratt and kathryn schwarzenegger have gotten serious quickly. e two went from casually dating to spending much more time together. we're also told chris and kathryn have introduced one another to their family and friends and have been almost inseparable. first, they're both used to the spotlight. chris' jurassic world has stomped past more than $1 billion worldwide. and kathryn, we watched her grow up. on monday, she posted this pic celebrating her famous dad's 71st birthday. her mom, maria shriver, is a kennedy. kathryn is jfk's great niece. second, their faith. they're both devout christians, and chris has shared his beliefs with fans. >> god wants the best for you. believe that. i do. >> and finally, charity work. that's chris visiting kids in the hospital and kathryn with "e.t." while her dad was the governor of california. >> she's going to be 18 next week. >> 500 hours of community service. >> and you do it because you like it or because mommy makes you do it? >> in the beginning because they made me do it, but now because i like it. >> we'